Sash and case windows
AssigneeArganex Limited
InventorAlan Diston
Life of this patent
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Abstract
An improved window arrangement is disclosed. The window arrangement has the appearance of a conventional sash and case window from external a building having it fitted. However, the window benefits from improved insulation and sealing on a second sash provided to the interior of the building. Importantly, the innermost sash has a seal around the main frame of the window in a single plane.
Claims8
A sash and case window comprising a frame and first and second opening sashes, the first and second sashes being provided in two distinct vertical planes of the frame, each sash being provided in one vertical plane, wherein the first sash is slidable within a vertical opening plane and is the only slidable sash within the frame and the second sash is full size within the frame such that an opening is provided in any portion of the frame not filled by the first sash, the second sash being openable inwardly of the frame and being glazed substantially over the full height of the window.
Dependencies are inferred from the claim text.